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-rw-r--r--lib/CodeGen/PreAllocSplitting.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/PreAllocSplitting.cpp b/lib/CodeGen/PreAllocSplitting.cpp
index e97ea735ed..8f223b3600 100644
--- a/lib/CodeGen/PreAllocSplitting.cpp
+++ b/lib/CodeGen/PreAllocSplitting.cpp
@@ -769,6 +769,9 @@ bool PreAllocSplitting::SplitRegLiveInterval(LiveInterval *LI) {
ShrinkWrapLiveInterval(ValNo, BarrierMBB, NULL, DefMBB, Visited,
Uses, UseMIs, UseMBBs);
+ // FIXME: If ValNo->hasPHIKill is false, then renumber the val# by
+ // the restore.
+
// Remove live range from barrier to the restore. FIXME: Find a better
// point to re-start the live interval.
UpdateRegisterInterval(ValNo, LIs->getUseIndex(BarrierIdx)+1,